Does a warrantless search and seizure of a closed container violate the Fourth Amendment absent clear evidence of intent to abandon, and does a warrantless arrest based on an informant's identification of a different individual violate the Fourth Amendment?

1. Does a warrantless search and seizure of a closed container belonging to Petitioner violate the Fourth Amendment where there is not clear and unequivocal evidence of an intent to abandon the container ? 2. Does a warrantless arrest predicated on information from an informant who identified —by name and photograph —a completely different individual violate the Fourth Amendment?